<template>
  <div>
    <!-- :model="form" -->
    <el-form ref="form" label-width="100px">
      <el-form-item label="SPU名称"> {{ spu.spuName }} </el-form-item>
      <el-form-item label="SKU名称">
        <el-input placeholder="SKU名称" v-model="skuInfo.skuName"></el-input>
      </el-form-item>
      <el-form-item label="价格（元）">
        <el-input
          placeholder="价格（元）"
          type="number"
          v-model="skuInfo.price"
        ></el-input>
      </el-form-item>
      <el-form-item label="重量（千克）">
        <el-input
          placeholder="重量（千克）"
          v-model="skuInfo.weight"
        ></el-input>
      </el-form-item>
      <el-form-item label="规格描述">
        <el-input
          placeholder="规格描述"
          type="textarea"
          rows="4"
          v-model="skuInfo.skuDesc"
        ></el-input>
      </el-form-item>
      <el-form-item label="平台属性">
        <el-form :inline="true" label-width="80px">
          <el-form-item
            :label="attr.attrName"
            v-for="attr in attrInfoList"
            :key="attr.id"
          >
            <el-select placeholder="请选择" v-model="attr.attrIdAndValueId">
              <el-option
                :label="attrValue.valueName"
                v-for="attrValue in attr.attrValueList"
                :key="attrValue.id"
                :value="`${attr.id}:${attrValue.id}`"
              ></el-option>
            </el-select>
          </el-form-item>
        </el-form>
      </el-form-item>
      <el-form-item label="销售属性">
        <el-form :inline="true" label-width="80px">
          <el-form-item
            :label="saleAttr.saleAttrName"
            v-for="saleAttr in spuSaleAttrList"
            :key="saleAttr.id"
          >
            <el-select
              placeholder="请选择"
              v-model="saleAttr.saleAttrIdAndValueId"
            >
              <el-option
                :label="saleAttrValue.saleAttrValueName"
                v-for="saleAttrValue in saleAttr.spuSaleAttrValueList"
                :key="saleAttrValue.id"
                :value="`${saleAttr.id}:${saleAttrValue.id}`"
              ></el-option>
            </el-select>
          </el-form-item>
        </el-form>
      </el-form-item>
      <el-form-item label="图片列表">
        <el-table
          style="width: 100%"
          :data="spuImageList"
          border
          stripe
          @selection-change="handleSelectionChange"
        >
          <el-table-column prop="prop" type="selection" width="80">
          </el-table-column>
          <el-table-column prop="prop" label="图片" width="width">
            <template slot-scope="{ row, $index }">
              <img :src="row.imgUrl" style="width: 100px; height: 100px" />
            </template>
          </el-table-column>
          <el-table-column prop="imgName" label="名称" width="width">
          </el-table-column>
          <el-table-column prop="prop" label="操作" width="width">
            <template slot-scope="{ row, $index }">
              <el-button
                v-if="row.isDefault == 0"
                type="primary"
                @click="changeDefault(row)"
                >设置为默认</el-button
              >
              <el-button v-else>默认</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="save">保存</el-button>
        <el-button @click="cancel">取消</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
export default {
  name: 'SkuForm',
  data() {
    return {
      //存储图片的信息
      spuImageList: [],
      //存储销售是属性
      spuSaleAttrList: [],
      //存储平台属性的数据
      attrInfoList: [],
      //收集sku数据的字段
      skuInfo: {
        //第一类收集的数据：父组件给的数据
        category3Id: 0,
        spuId: 0,
        tmId: 0,
        //第二类：需要通过数据双向绑定v-model收集
        skuName: '',
        price: 0,
        weight: '',
        skuDesc: '',
        //第三类：需要自己书写代码
        //默认图片
        skuDefaultImg: '',
        //收集图片的字段
        skuImageList: [
          // {
          //   id: 0,
          //   imgName: "string",
          //   imgUrl: "string",
          //   isDefault: "string",
          //   skuId: 0,
          //   spuImgId: 0,
          // },
        ],
        //平台属性
        skuAttrValueList: [
          // {
          //   attrId: 0,
          //   valueId: 0,
          // },
        ],
        //销售属性
        skuSaleAttrValueList: [
          // {
          //   id: 0,
          //   saleAttrId: 0,需要
          //   saleAttrName: "string",
          //   saleAttrValueId: 0,需要
          //   saleAttrValueName: "string",
          //   skuId: 0,
          //   spuId: 0,
          // },
        ]
      },
      spu: {},
      //收集图片的数据字段:但是需要注意，收集的数据目前缺少isDefault字段，将来提交给服务器数据的时候，需要整理参数
      imageList: []
    }
  },
  methods: {
    //获取sku初始数据
    async initSkuData(category1Id, category2Id, spu) {
      //收集一些父组件传来的信息
      this.skuInfo.category3Id = spu.category3Id
      this.skuInfo.spuId = spu.id
      this.skuInfo.tmId = spu.tmId
      this.spu = spu
      //获取图片的数据
      let result = await this.$API.spu.reqSpuImageLIst(spu.id)
      if (result.code == 200) {
        let list = result.data
        list.forEach((item) => {
          item.isDefault = 0
        })
        this.spuImageList = list
      }
      //获取销售属性的数据
      let result1 = await this.$API.spu.reqSpuSaleAttrList(spu.id)
      if (result1.code == 200) {
        this.spuSaleAttrList = result1.data
      }
      //获取平台属性的数据
      let result2 = await this.$API.spu.reqAttrInfoList(
        category1Id,
        category2Id,
        spu.category3Id
      )
      if (result2.code == 200) {
        this.attrInfoList = result2.data
      }
    },
    //table表格复选框按钮的事件
    handleSelectionChange(params) {
      //获取到用户选中图片的信息数据，还未整理完所以在imgList中暂放
      this.imageList = params
    },
    //设置默认图片
    changeDefault(row) {
      this.spuImageList.forEach((item) => {
        item.isDefault = 0
      })
      row.isDefault = 1
      //收集默认图片地址
      this.skuInfo.skuDefaultImg = row.imgUrl
    },
    //保存
    async save() {
      //整理参数
      const { attrInfoList, skuInfo, spuSaleAttrList, imageList } = this
      //整理平台属性
      skuInfo.skuAttrValueList = attrInfoList.reduce((prev, item) => {
        if (item.attrIdAndValueId) {
          const [attrId, valueId] = item.attrIdAndValueId.split(':')
          prev.push({ attrId, valueId })
        }
        return prev
      }, [])
      //整理销售属性
      skuInfo.skuSaleAttrValueList = spuSaleAttrList.reduce((prev, item) => {
        if (item.saleAttrIdAndValueId) {
          const [saleAttr, saleAttrValue] = item.saleAttrIdAndValueId.split(':')
          prev.push({ saleAttr, saleAttrValue })
        }
        return prev
      }, [])
      //整理图片数据
      skuInfo.skuImageList = imageList.map((item) => {
        return {
          imgName: item.imgName,
          imgUrl: item.imgUrl,
          isDefault: item.isDefault,
          spuImgId: item.id
        }
      })
      //发送请求
     let result  = await this.$API.spu.reqAddSku(skuInfo);
     if(result.code==200){
       this.$message.success('添加Sku成功')
       this.$emit('changeCans',0)
     }
    },
    //取消
    cancel() {
      this.$emit('changeCans', 0)
    }
  }
}
</script>

<style></style>
